be very worried about 牵肠挂肚

“牵肠挂肚”，汉语成语，形容十分惦念，放心不下。可以翻译为“be very worried about， be deeply concerned或feel deep anxiety about”等。

例句：

尽量多给家里写信，免得你父母牵肠挂肚。

Write home as often as possible so as to relieve your parents from anxiety.