bottom line; last line of defense; boundary line (sports)
Tone colorsmāmámǎmàma
Meanings
2 senses · 4 examplesnoun
the lowest acceptable limit; bottom line; baseline (in sports)
Used to describe a final limit in negotiations, morals, sports, etc. The sports meaning can refer to the end line of a basketball court or the baseline in tennis.
Zhè这
shì是
wǒ我
de的
dǐ底
xiàn线
，
bù不
néng能
zài再
ràng让
bù步
le了
。
This is my bottom line; I can't make any more concessions.
Yī一
gè个
shè社
huì会
rú如
guǒ果
méi没
yǒu有
dào道
dé德
dǐ底
xiàn线
，
jiù就
huì会
fēi非
cháng常
wēi危
xiǎn险
。
A society without moral boundaries would be very dangerous.
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Qiú球
chū出
dǐ底
xiàn线
le了
，
shì是
duì对
fāng方
de的
qiú球
。
The ball went out of bounds; it's the other team's ball.
noun
last line of defense; final safeguard
Metaphorically refers to the ultimate line of protection or safety net.
Yī医
liáo疗
bǎo保
zhàng障
shì是
shè社
huì会
de的
zuì最
hòu后
yī一
dào道
dǐ底
xiàn线
。
Medical security is society's last line of defense.