他没有提到这一点，似乎显得过分谦虚。

Seems unduly modest of him not to mention this point.

表现得过分谦虚和友善，以期自己看起来对获得这次机会深为感激。

Act extremely humble and too nice, hoping to appear very grateful for the opportunity.

头脑开放，关注关于阶层和世故的世界，不要自我炫耀也不要过分谦虚，免得被人误以为你虚伪。

Being open-minded and aware of the world around you shows class and sophistication, but avoid seeming pretentious by being modest instead of showing off what you know.