适当 shìdàng suitable
suitable; appropriate
How to remember 适当: 适 suitable + 当 act as = suitable.
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How it is used
- Appropriate, fitting to the situation - 适当的时候 (shìdàng de shíhou) at the appropriate time; 适当休息 (shìdàng xiūxi) get adequate rest.
- Emphasizes 'just right in degree/manner'. Compare 适合 (shìhé, to suit a person/purpose) and 恰当 (qiàdàng, apt, of wording).