PHRASAL VERB (问题或想法)大量涌现，涌入脑海 If problems or thoughts crowd in on you, a lot of them happen to you or affect you at the same time, so that they occupy all your attention and make you feel unable to escape. (问题或想法)大量涌现，涌入脑海
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Everything is crowding in on me. [VERB PREP. + on]
所有事一齐涌上我的心头。
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She tried to sleep, but thoughts crowded in and images flashed into her mind. [VERB PREP.]
她想睡觉，但头脑中想法不断涌现，画面一一闪现。