HSK 7-9
联手
liánshǒu动
lit. to join hands; to act together
两支团队联手解决难题。
Liǎng zhī tuánduì liánshǒu jiějué nántí.
The two teams joined forces to solve the difficult problem.
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Appears across levels (7-9) in the HSK 3.0 word list.