1. ten paces from 离…十步 keep pace with 跟上…步伐
2. pain 疼痛 pains功夫 No pains , no gains.不劳无获。 take pains to do 下功夫去做…
3. part 部分 Only a small part of his story is true. play a part/role in 在…中起作用
take an active part in 积极参加 =(be active in)
on one's part= on the part of sb 就…而言 I will apologize to you on the part of my friend.
4. participate in doing = take part in参与
