Try "I'm always just a phone call away" or "I wish I had the right words, but please know I care.
尝试着这样说：“随时给我打个电话”或“我希望我没说错话，但请知道我很在乎你”。
If you can't handle this job by yourself, I'm just a phone call away.
若你不能自已处理这件事的话﹐就打个电话给我吧。
If you need my help, do let me know. I'm just a phone call away.
如果你需要帮助的话，一定要告诉我。打一个电话就可以了。
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