[00:12.000]spineless 没骨气的
[00:16.000]timid 胆怯的，羞怯的
[00:21.000]The timid student was afraid to talk to his teacher.
[00:27.000]bashful 害羞的，胆小的
[00:32.000]The bashful child hid behind his mother.
[00:36.000]shy 害羞的，胆小的