| 释义 | rein sth in/backphrasal verb with reinverbuk /reɪn/us
 (alsorein back on sth)
 to control something and stop it increasing:
 Consumers tend to rein in their spending in a recession.
 Some of the worst Wall Street abuses have been reined in.
 We need to rein back on expenditure in the next financial year.
 
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