leaf

shake (or tremble) like a leaf tremble greatly, especially from fear.

take a leaf out of someone's book closely imitate or emulate someone in a particular way.

2007Daily Telegraph Parents thought British hotels should take a leaf out of the American book and allow up to five in a family room.

turn over a new leaf improve your conduct or performance.

☞ The leaf referred to here is a page of a book. The phrase has been used in this metaphorical sense since the 16th century, and while it now always means 'change for the better', it could previously also mean just 'change' or even 'change for the worse'.

词组	leaf
释义	leaf shake (or tremble) like a leaf tremble greatly, especially from fear. take a leaf out of someone's book closely imitate or emulate someone in a particular way. 2007Daily Telegraph Parents thought British hotels should take a leaf out of the American book and allow up to five in a family room. turn over a new leaf improve your conduct or performance. ☞ The leaf referred to here is a page of a book. The phrase has been used in this metaphorical sense since the 16th century, and while it now always means 'change for the better', it could previously also mean just 'change' or even 'change for the worse'.
随便看	accidentally on purpose accidents will happen accord according to Hoyle according to hoyle according to your lights account ace a change is as good as a rest a change of heart a change of heart a chapter of accidents a chapter of accidents a chicken-and-egg problem Achilles Achilles heel achilles heel a chink in someone's armour a chink in someone's armour a chip off the old block a chip off the old block a chip on your shoulder a chip on your shoulder acid a class act