When

1.

កាលពី

2.

កាលណា
Example: When he's angry, he shouts.

3.

(COLLOQUIAL) អង្កាល់, កាលណា
Example: When did he come?
ឧទាហរណ៍៖ តើគាត់មកដល់ពីអង្កាល់?

4.

(at what time?) នៅពេលណា
Example: When are you going? -.តើនៅពេលណាអ្នកទៅ?

5.

លុះដល់, បើ, ថ្វីបើ, ទោះបី, ទោះជា, កាលនោះ, ដូច្នេះ

6.

នៅពេលដែល

1.

កាល
Example: When I was young.

• hit a man when he's down
  - វាយមិនអោយងើបរួច
• when it come to point
  - នៅពេលដែលវាចួលមកដល់

1.

At what time; -- used interrogatively.

2.

At what time; at, during, or after the time that; at or just after, the moment that; -- used relatively.

3.

While; whereas; although; -- used in the manner of a conjunction to introduce a dependent adverbial sentence or clause, having a causal, conditional, or adversative relation to the principal proposition; as, he chose to turn highwayman when he might have continued an honest man; he removed the tree when it was the best in the grounds.

4.

Which time; then; -- used elliptically as a noun.