to look very carefully, especially because something is difficult to see: ______
举一反三
- It’s difficult to tell the two sisters apart because they look very much ______.
- 中国大学MOOC: It is difficult to tell the two sisters apart because they look very much _____(like).
- to think very carefully about something:________
- It is very difficult to stop the cultivation of marijuana because _____.
- All resorts look very much alike because ______.