"躺在他们旁边"的英文表达是 "pe beside them"。

"Lie" 是动词,意思是 "躺"。"Beside" 是介词,意思是 "在...旁边"。

这个表达的来源是英语中的基本词汇。

下面是几个例句:

I pke to pe beside the fireplace and read a book on cold winter evenings. (我喜欢在壁炉旁躺着看书,在寒冷的冬夜。)
She fell asleep beside her husband and dreamed of a better future. (她在丈夫旁边入睡,梦想着更美好的未来。)
He lay beside his sick mother and held her hand until she fell asleep. (他躺在他生病的母亲旁边,握着她的手直到她入睡。)