跟上

跟不上 gēnbùshàng HSK 7 #12,348

to be unable to keep up with / to fall behind

跟踪 gēnzōng HSK 7 #1,271

to follow / to track / to trail / to stalk

成千上万 chéngqiān-shàngwàn HSK 7 #5,162

thousands upon thousands / a great number of

碰上 pèngshàng HSK 7 #5,188

to run into; to come across / to encounter (by chance)

上场 shàngchǎng HSK 7 #3,319

to enter the field / to go on stage / to appear (in a game or performance)

上司 shàngsī HSK 7 #3,277

boss / superior / supervisor

上瘾 shàngyǐn HSK 7 #5,569

to become addicted / to get hooked

上诉 shàngsù HSK 7 #5,636

to appeal (a court decision) / to file an appeal

赶上 gǎnshàng HSK 6 #3,161

to catch up with / to be in time for; to manage to catch / to happen to encounter

上头 shàngtou HSK 7 #7,531

above; on top / the higher-ups; the authorities