Card 501

数

shǔ

frequently; repeatedly

Card 502

数

字

shùzì

digital

Card 503

水

平

shuǐpíng

level

Card 504

顺

利

shùnlì

smooth

Card 505

说

明

shuōmíng

to explain; instruction

Card 506

司

机

sījī

driver

Card 507

送

到

sòngdào

sent to (place)

Card 508

送

给

sòng gěi

give to (somebody or organization)

Card 509

算

suàn

calculate

Card 510

虽

然

suīrán

though

Card 511

随

便

suíbiàn

as one wishes

Card 512

随

时

suíshí

at any time

Card 513

所

以

suǒyǐ

so

Card 514

所

有

suǒyǒu

all

Card 515

它

tā

it

Card 516

它

们

tāmen

they

Card 517

太

太

tàitai

Mrs; Madam

Card 518

太

阳

tàiyáng

sun

Card 519

态

度

tàidù

manner

Card 520

讨

论

tǎolùn

to discuss

Card 521

套

tào

cover; case; set

Card 522

特

别

tèbié

special; especially

Card 523

特

点

tèdiǎn

characteristic feature

Card 524

疼

téng

pain

Card 525

提

tí

to carry

Card 526

提

出

tíchū

propose

Card 527

提

到

tídào

mention

Card 528

提

高

tígāo

raise

Card 529

题

tí

question

Card 530

体

育

tǐyù

physical education

Card 531

体

育

场

tǐyùchǎng

stadium

Card 532

体

育

馆

tǐyùguǎn

gymnasium / gym

Card 533

天

上

tiānshàng

In the sky

Card 534

条

tiáo

[measure word for long pieces (hair, branch, trousers etc.)]

Card 535

条

件

tiáojiàn

condition

Card 536

听

讲

tīngjiǎng

attend a lecture

Card 537

听

说

tīngshuō

hear

Card 538

停

tíng

stop

Card 539

停

车

tíngchē

park (a car)

Card 540

停

车

场

tíngchēchǎng

parking lot

Card 541

挺

tǐng

quite

Card 542

挺

好

tǐng hǎo

very good

Card 543

通

tōng

connect

Card 544

通

过

tōngguò

by means of; through; via

Card 545

通

知

tōngzhī

notify

Card 546

同

时

tóngshí

at the same time; simultaneously; concurrently

Card 547

同

事

tóngshì

colleague

Card 548

同

样

tóngyàng

same

Card 549

头

tóu

head

Card 550

头

（

里

头

）

tou (lǐtou)

suffix (inside)