be careful not to disturb
美 [bi ˈkerfl nɑːt tu dɪˈstɜːrb]英 [bi ˈkeəfl nɒt tu dɪˈstɜːb]
- 小心不要打扰（或搞乱）
be careful not to disturb-
Be careful not to disturb the roots of any established plants .
小心不要损害已经种植好的植物的根系。
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When we feel nervous , we should speak louder and concentrate more . Be careful not to let nervousness disturb our thinking , not to go from nervousness to arrogance , and not to use a stern expression to cover your uneasiness .
紧张的时候一定要注意调整，让声音更洪亮，态度更认真，而不是让紧张情绪影响自己的思路，更要防止将紧张情绪转化为傲慢的态度，为了掩饰自己的紧张反而绷着脸去讲话。