in an emergency: when a problem suddenly comes
英
美
in an emergency: when a problem suddenly comes的用法和样例:
例句
- He always keeps calm in an emergency.
他总是在紧急时保持镇静的。
- I like to keep some money in a savings account to fall back on in an emergency.
我想在活期存单中存一些钱,以便在紧急时有个依靠。