kàn
看门
kān mén
to guard the door; to work as a gatekeeper
看自行车
kān zìxíngchē
to watch over bicycles; to work as a bicycle attendant
一个工人可以看好几台机器。
Yī gè gōngrén kěyǐ kān hǎo jǐ tái jīqì.
One worker can operate/monitor several machines.