1 to look back

2 to review

1 to take care of

2 to show consideration

3 to attend to

4 to look after

1 to think over

2 to consider

3 consideration

1 surname Gu

1 client

2 customer

3 classifier: 位 wèi

1 to disdain as beneath contempt (idiom)

1 regardless of what's before or after (idiom); rushing blindly into sth

1 to ask sb to carefully consider a request (idiom)

1 He who gives no thought to far-flung problems soon finds suffering nearby (idiom, from Analects).

2 Smug concentration on the here and now will lead to future sorrow.

1 reflect a thousand times and you can still make a mistake (idiom); to err is human