反证
fǎn zhèng
disproof, rebuttal, reductio ad absurdum
反正
anyway, in any case, to come over from the enemy's side
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票正在漂
piào zhèng zài piāo
Tickets are floating
她正在国外
tā zhèng zài guó wài
She's abroad at the moment
他说正东方向
tā shuō zhèng dōng fāng xiàng
He said due east
我正在做午饭。
wǒ zhèng zài zuò wǔ fàn。
I'm making lunch.
他正在弹钢琴。
tā zhèng zài tán gāng qín。
He is playing the piano.
这是正常的吗
zhè shì zhèng cháng de ma
Is this normal
她正在搞作业。
tā zhèng zài gǎo zuò yè。
She is doing homework.
她正走在桥上。
tā zhèng zǒu zài qiáo shàng。
She is walking on the bridge.
我正在修电线。
wǒ zhèng zài xiū diàn xiàn。
I'm fixing the wires.
我正在寻找钥匙
wǒ zhèng zài xún zhǎo yào shì
I am looking for the keys