?To the letter (idiom) -
Exactly as instructed; exactly as written.（不折不扣地，絲毫不差地）
1. We did everything to the letter, but something still went wrong.
2.She obeyed his instructions to the letter.
?Take sth into account (idiom) -
To consider or remember something when judging a situation.（考慮在內）
1.A good architect takes into account the building's surroundings.
2.The UK's tax system takes no account of children.
?Aim at sth (phrasal verb) -
To plan, hope, or intend to achieve something.（旨在，目的在于）
1.Trade companies aim at a new market in Asia.
2. The antismoking campaign was aimed at teenagers.
?At the expense of sth/sb (idiom) -
In a way that harms something or someone.（以…為代價）
1.She argues that the tax cut will benefit the rich at the expense of the poor.
2.He did not want to devote more time to his business at the expense of his family.
?Anything but (idiom) -
Used to mean the opposite of the stated quality.（恰恰不，決不）
1.This problem is anything but new.
2.She's meant to be really nice but she was anything but nice when I met her.