底线 (dǐ xiàn) Definition & Meaning - What does 底线 mean in Chinese

1
n.end/goal line; base line; baseline of a football field, or a basketball or badminton court
- dǐ xiàn biān yuán
  底线边缘
  the bottom line
- fā qiú shí nǐ de jiǎo bì xū zhàn zài dǐ xiàn wài miàn
  发球时你的脚必须站在底线外面。
  Your feet must be behind the line when you serve.
2
n.planted agent; stool pigeon; spy in an opponent's camp for collecting information or conducting other activities
- wǒ men de dǐ xiàn bèi fā xiàn le
  我们的底线被发现了。
  Our planted agent's identity was revealed.
3
n.metabottom line; minimum standard, conditions or limit
- dǐ xiàn shì wǒ men jīn tiān bì xū zuò jué dìng
  底线是，我们今天必须作决定。
  The bottom line is that we have to make a decision today.
synonym
biān yuán边缘 jiè xiàn界限 dǐ biān底边

common measure word
"底线" is often matched with measure word "个"or"条".
- 一个底线
  one bottom line
- 一条底线
  one bottom line

底 线