be competent to do/at

These younger volunteers would be familiar with and competent using technologies such as activity trackers.

问：我觉的这个句子是不是错的？be familiar with和 be competent to 是并列的两个短语而此处competent后没有介词 to，有be competent at doing sth: 在某事/方面有才干,擅长某事, 难道这里的at可以省略吗？

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分类：词法问题

最佳答案 2021-11-05 14:25

These younger volunteers would be familiar with and competent using technologies such as activity trackers.= These younger volunteers would be familiar with and competent in using technologies such as activity trackers. (说明：动名词前面的介词 in 通常可以省略)

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黎反修 - 英语翻译（已退休）

擅长：数词用法,存在句,英语考试 | 采纳率 32% | 回答于 2021-11-05 08:22

be competent to do/at

最佳答案 2021-11-05 14:25

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