confidence-building

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˈconfidence-ˌbuilding adjective  CONFIDENTa confidence-building event, activity etc increases your confidence 增强自信心的 the use of confidence-building exercises to assist adults to return to the labour market 采用增强自信心的训练来帮助成年人重返劳动力市场

Examples from the Corpus

confidence-building• They learn to then shift from negative, self-defeating internal dialogue towards positive, more realistic, and confidence-building self-speech.• At the Bruins' talent level, there are few opportunities for confidence-building victories.• The Blueharts game should provide them with a confidence-building win.

ˈconfidence-ˌbuilding adjectiveChineseSyllable  

Corpus confidence activity your a confidence-building increases etc event,

confidence-building
ˈconfidence-ˌbuilding adjective
a confidence-building event, activity etc increases your confidence:
    the use of confidence-building exercises to assist adults to return to the labour market