babysit
verb [ I or T ] uk/ˈbeɪ.bi.sɪt/ us/ˈbeɪ.bi.sɪt/ babysitting | babysat (US also sit)
B1 （去别人家）代人临时照管孩子，当临时保姆
to take care of someone's baby or child while that person is out, usually by going to the person's home
I babysit for Jane on Tuesday evenings while she goes to her yoga class. 每逢周二晚简去练瑜伽时，我都替她看孩子。
US (UK childmind)（在自己家）照管他人孩子（作为职业）
to take care of other people's children in your own home as a job
Who babysits them when you're at work? 你上班的时候谁照看他们？