Push the envelope:
推信封 ×
挑战极限 √
例句:
That guy really likes to push the envelope.
他真的喜欢挑战极限。
Out of the Woods:
逃离森林 ×
脱离困境 √
I visited her this morning and doctors say she is out of the woods.
我今早看望了她,医生说她已经脱离了危险。