Correct

知命

/ zhī mìng /
Strokes

Example

As a Verb

understand the decree of heaven; know destiny

1
Nián
zhīmìng
知命

be over fifty

2
tiānzhīmìng
乐天知命

accept one's fate ordained by heaven and be optimistic about life

3
Zhīmìngzhīnián
知命之年

fifty years of age; fifty years old