"喜欢他们的工作"可以用英文表达为"enjoy their job/work"。
其中，"enjoy"是英语动词，意思是"喜欢，享受"。例如：
I enjoy spending time with my family. (我喜欢和家人在一起。)
She enjoys reading books. (她喜欢读书。)
"Their"是英语代词，意思是"他们的"。例如：
Their house is very big. (他们的房子很大。)
Their car is parked outside. (他们的汽车停在外面。)
"Job"和"work"都可以表示"工作"的意思，但是有一些细微的区别。"Job"通常指一份固定的工作，而"work"则指一般性的工作，可以是任何类型的工作。例如：
She has a good job at a law firm. (她在一家律师事务所有一份好工作。)
He loves his work as a teacher. (他喜欢他的教师工作。)
综上，"喜欢他们的工作"可以用英文表达为"enjoy their job/work"。例句：
I enjoy my job as a software engineer. (我喜欢我作为软件工程师的工作。)
She enjoys her work as a designer. (她喜欢她的设计师工作。)