1 mistake

2 error

3 to miss

4 to harm

5 to delay

6 to neglect

7 mistakenly

1 to misunderstand

2 to mistake

3 misunderstanding

4 classifier: 个 gè

1 surname Chi

1 to arrive late

1 sooner or later

1 lit. sharpening the axe won't make the wood-splitting take longer (idiom)

2 fig. time invested in preparations is not lost

3 a beard well lathered is half shaved

1 a clever person may become the victim of his own ingenuity (idiom); cleverness may overreach itself

2 too smart for one's own good

1 It's too late to plug the leak once ship is in the middle of the river. (idiom)

1 to take a wrong step in life (idiom)

2 to go astray

1 (idiom) no sooner said than done

2 before you know it