Usage note
“专心”指做事情时很认真，不想别的事情。
“zhuān xīn” zhǐ zuò shì qíng shí hěn rèn zhēn, bù xiǎng bié de shì qíng.
"Concentrate" means to be very serious when doing something, not thinking about other things.
Context note
上课时要专心听老师讲课。
Shàng kè shí yào zhuān xīn tīng lǎo shī jiǎng kè.
In class, you should concentrate on listening to the teacher.
5 examples
他专心做作业，没有看电视。
tā zhuān xīn zuò zuò yè， méi yǒu kàn diàn shì。
He concentrated on his homework and didn't watch TV.
专心学习才能进步。
zhuān xīn xué xí cái néng jìn bù。
Only by concentrating on studying can you make progress.
她专心画画，画得很漂亮。
tā zhuān xīn huà huà， huà dé hěn piào liang。
She concentrated on drawing, and the drawing was very beautiful.
请专心听我说话。
qǐng zhuān xīn tīng wǒ shuō huà。
Please concentrate on listening to me.
他专心拼图，很快就完成了。
tā zhuān xīn pīn tú， hěn kuài jiù wán chéng le。
He concentrated on the puzzle and finished it quickly.
5 mini stories
小华专心读书。他记住了很多生字。
xiǎo huá zhuān xīn dú shū。 tā jì zhù le hěn duō shēng zì。
Xiao Hua concentrated on reading. He remembered many new words.
她专心练琴。琴声很好听。
tā zhuān xīn liàn qín。 qín shēng hěn hǎo tīng。
She concentrated on practicing the piano. The piano sound was very nice.
小明专心搭积木。他搭了一座高塔。
xiǎo míng zhuān xīn dā jī mù。 tā dā le yí zuò gāo tǎ。
Xiao Ming concentrated on building blocks. He built a tall tower.
大家专心做手工。每个人都做出了小动物。
dà jiā zhuān xīn zuò shǒu gōng。 měi gè rén dōu zuò chū le xiǎo dòng wù。
Everyone concentrated on doing crafts. Each person made a small animal.
他专心写毛笔字。字写得很好看。
tā zhuān xīn xiě máo bǐ zì。 zì xiě dé hěn hǎo kàn。
He concentrated on writing calligraphy. The characters were written very beautifully.
Mini dialogue
专心写作业
A
写作业的时候要专心，不要看电视。
Xiě zuòyè de shíhou yào zhuānxīn, bùyào kàn diànshì.
When doing homework, you must concentrate and not watch TV.
B
好的，我会专心的。
Hǎo de, wǒ huì zhuānxīn de.
Okay, I will concentrate.
上课专心听讲
A
上课的时候，你要专心听老师讲课。
Shàngkè de shíhou, nǐ yào zhuānxīn tīng lǎoshī jiǎngkè.
During class, you should concentrate on listening to the teacher.
B
我知道了，专心学习很重要。
Wǒ zhīdào le, zhuānxīn xuéxí hěn zhòngyào.
I understand, concentrating on studying is very important.
Related words and contrasts
similar
专注
zhuān zhù
focused
very close in meaning, often interchangeable
opposite
分心
fēn xīn
distracted
opposite of concentrating
related
认真
rèn zhēn
serious, careful
describes a careful attitude, often used when studying
similar
集中注意力
jí zhōng zhù yì lì
focus attention
a phrase meaning to concentrate