你没给出上下语境来，不好翻译,不同语境下同样的汉语对应的是不同的英语单词或短语.
一般来说:心动,动词短语,be
touched
心动的感觉:名词短语,the
feeling
of
being
touched
心动 英语怎么说
heartbeat
beckoning
throbbing
都可以
eg：Does your heartbeat accelerate when you see the person you like?
见到心上人的时候, 你的心跳是否加快?.
希望帮助到你,若有疑问,可以追问~~~
祝你学习进步,更上一层楼!(*^__^*)
心动周期
cardiac cycle
超声心动图
echocardiogram
这些都不能使她为你心动。
This cannot take her.
什麽都比不看睡着的小孩更令人心动的了。
There is nothing like a sleeping child to stir affection in the beholder.
超声波心动描记图脑回波描记器产生的视觉图象
A visual record produced by an echoencephalograph.
朱蒂爱好集邮，所以这信封上的邮票颇使她心动。
Judy collects stamps,and the stamps on the envelope made her mouth water.
心电图，心动电流图电图仪描记心动情况的曲线，用于心脏疾病的诊断
The curve traced by a cardiograph,used in the diagnosis of heart disorders.
尽管一路风尘，可当她看到这些让她心动不已的古老物品时，行程中的疲惫与劳累都烟消云散了。
She has experienced many hardships in the course of their journeys,but all her fatigue completely vanishes at the sight of her beloved antiques.
超声波心动描记器一种用来显示详细的大脑图象的仪器，利用超声波发送和反射的差异来测试并无伤无痛
An instrument that in a painless and noninvasive manner uses the differential transmission and reflection of ultrasonic waves to create a detailed visual image of the brain.
很难确切说清她身上有什么东西使他这样动心。
It was difficult to pin down exactly what it was in her that pleased him so much.
