build up confidence

基本解释

In order to do this you have to build up confidence.
为了做到这一点，你一定要建立起自信。
Start with something ridiculously easy and build up confidence and momentum over time.
从那些极端容易的事情开始做起，逐步建立自信和动力。
In order to establish long-term strategic partnership between the two countries, we should respect each other, build up confidence, avoid confrontation and increase dialogue.
我们应该互相尊重，树立信心，避免对抗，增加对话，以建立两国间长久的战略伙伴关系。

Not only does Mr Wahid fear a nationalist backlash, but he is also keen to build up Indonesians' confidence that the country's own institutions will be capable of dealing with those found guilty of atrocities.
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In a speech made to the Financial Planning Association of Minnesota recently, Minneapolis Fed president Narayana Kocherlakota emphasized the need to encourage spending and build up consumer and business confidence in the economy.
FORBES: Is The Fed In a Crisis of Trust?