to be alert and careful about something dangerous
保持警觉，小心危险的事情
"Watch out! There’s a car coming!"
"小心！ 有车来了！"
to return to a worse or earlier condition
to share your feelings or thoughts freely; to become more em...
to express one’s thoughts or opinions clearly during a conve...
to complete actions that were promised or scheduled
to enter your username and password to access an account
to plan or expect something to happen
