act up to
put into practice; behave in such a way that one's actions are in accord with (expectations, a promise, one's reputation, etc.) 按照（期望、诺言、自己的声誉等）行事
- What you say means very little unless you act up to it. 你要是说而不做，你的话就没有多大意思了。
- I hope you'll act up to the good advice they've given you. 我希望你能按照他们给你出的好主意办。
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