Don't over-complicate things. If you hold them tootightly, they would shatter and your hands wouldhurt. 凡事不要想的太复杂，手握的太紧，东西会碎，手会疼。

重点词汇

complicate vt.使复杂化;使错综，使混乱;使卷入;变复杂

例句：To complicate matters further, everybody'svitamin requirements vary.更麻烦的是，每个人对维生素的需求量是不同的。