HSK 5
签订
qiāndìng动
to agree to and sign (a treaty etc)
双方昨天正式签订了合同。
Shuāng fāng zuó tiān zhèng shì qiān dìng le hé tóng.
Both sides formally signed the contract yesterday.
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New in the HSK 3.0 word list at level 5.