seesaw
Longman Dictionary of Contemporary English 5++LDOCE 5++see·saw1 /ˈsiːsɔː $ -sɒː/ noun [countable] 1. 
DHTa piece of equipment that children play on, made of a board that is balanced in the middle, so that when one end goes up the other goes down 跷跷板 SYN American English teeter-totter2. a repeated movement from one state or condition to another and back again 拉锯局面，不断起伏的状态 SYN oscillation
DHTa piece of equipment that children play on, made of a board that is balanced in the middle, so that when one end goes up the other goes down 跷跷板 SYN American English teeter-totter2. a repeated movement from one state or condition to another and back again 拉锯局面，不断起伏的状态 SYN oscillationExamples from the Corpus
seesaw• It should be a seesaw affair.• As soon as they try to see Agnes's mind it sinks down and up pops Perdita like a seesaw.• Like the other end of a seesaw, Agnes rose. ` Where's Magrat?• So, lie flat on your back over the pivot on a seesaw, and arrange yourself so that it balances.• Which boy on the seesaw is heavy?• It is rather like warfare, the seesaw of offensive and defensive, of tank armour and the high-velocity penetrating bullet.seesaw2 verb [intransitive] CHANGE FROM ONE THING TO ANOTHERto keep changing from one state or condition to another and back again 摇摆不定，时起时落 Before the election, the president seesawed in the polls. 大选之前，总统在民意测验中的情况时好时坏。→ See Verb tableExamples from the Corpus
seesaw• His fortunes, internationally and domestically, as player and captain, seesawed alarmingly during the 1991-92 season.• The Dow Jones Industrial Average seesawed before closing down 21. 32 at 5066. 9.• Mickelson never was really in it, as his 2 birdies and 2 bogeys kept him seesawing between 5 and 6 under.• The Dow Jones Industrial Average fell 21. 32 to 5066. 9 after seesawing for most of the session.• Other reluctant players include squirrels, coyotes and ravens, all of whom seesaw in synchrony.• Stock prices seesawed throughout the morning.Origin seesaw1 (1600-1700) Probably from → SAW2see·saw1 nounseesaw2 verbChineseSyllable
piece of on, a children made of Corpus that play equipment
seesaw
see‧saw1 /ˈsiːsɔː $ -sɒː/ 
noun [countable]
1. a piece of equipment that children play on, made of a board that is balanced in the middle, so that when one end goes up the other goes down
SYN teeter-totter American English
2. a repeated movement from one state or condition to another and back again
SYN oscillation
seesaw2 verb [intransitive]
to keep changing from one state or condition to another and back again:
Before the election, the president seesawed in the polls.
| I |
noun [countable]1. a piece of equipment that children play on, made of a board that is balanced in the middle, so that when one end goes up the other goes down
SYN teeter-totter American English
2. a repeated movement from one state or condition to another and back again
SYN oscillation
| II |
verb [intransitive]to keep changing from one state or condition to another and back again: