1. 坚持：150. 冒险 run the risk of doing sth | 151. 坚持 stick to sth | 155. 为了纪念 in honor of / in memory of

2. 忠于：stick to sb 忠于 | stick to sth忠于 | stick up竖起

3. 坚持;不放弃：(
2) vi.坚持 | stick to sth.坚持;不放弃 | stick to a post坚守岗位

4. 不放弃：12. 突出; 伸出 stick out | 不放弃 stick to sth. | 13. 参加 participate in