底线

dǐ xiàn
HSK 3.0 等级 7

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释义

  1. 1. bottom line; the limit of what one is prepared to accept
  2. 2. (sports) baseline
  3. 3. (sewing) under thread
  4. 4. spy; informer; plant

底线 的构成词

底
de

(equivalent to 的 as possessive particle)

底
dǐ

background

线
xiàn

thread