1-schedule 安排

2-loom 逼近

TikTok leader schedules Washington trip to meet with lawmakers as investigations loom.

3-Capitol Hill

TikTok's leader, Alex Zhu, is set to pay his first known visit to Capitol Hill next week.

4-frayed 磨损的

5-inroad……into 进军

6-wary 小心的，警惕的

US-China relstions are frayed and the US officials are wary about the inroads that Chinese companies are making into the technologies where the United Srates has been the unchallenged leader.

7-lobbyist 游说议员者

8-make the rounds 四处巡游

In advance of the visit, TikTok's recently expanded team of lobbyists has made the rounds, seeking to stess that the social media app protects users' data.

9-decline 婉拒

TikTok declined to comment.

10-gilded 镀金的

11-best 打败

12-convince sb of sth 使某人信服……

13-pierce 进入

TikTok began the year as a gilded viral hitmaker, the rare new social app best far-larger rivals, convince young people of its coolness and pierce the online mainstream.

14-embattled 被困扰的，危机四伏的

15-scrutinize 仔细检查

16-pummel 捶打，重击

17-censorship 审查

But it will end the year embattled on all sides: scrutinized by regulators, pummeled by competitors, and increasingly quetioned by an audience who worried over censorship and foreign control.