like: beobachten → →
beobachten ☊ 
quan sát ☊ 
☊ beobachten ☊ 观察 ☊ guānchá I could sit and watch the river all day long. ☊ day ☊
He (= the man we are watching) went through that door. ☊ he ☊
an observation post/tower (= a place from where sb, especially an enemy, can be watched) ☊ observation ☊
observe sb/sth: Have you observed any changes lately? ☊ observe ☊
observe sb/sth doing sth: They observed him entering the bank. ☊ observe ☊
observe that...: She observed that all the chairs were already occupied. ☊ observe ☊
observe (sb/sth): I felt he was observing everything I did. ☊ observe ☊
observe how, what, etc...: They observed how the parts of the machine fitted together. ☊ observe ☊
Their efforts were painful to watch. ☊ painful ☊
watch what, how, etc...: Watch what I do, then you try. ☊ watch ☊
watch sth/yourself: Watch yourself! (= be careful, because you're in a dangerous situation) ☊ watch ☊