分不清

• confound with

例句

1. 我总分不清小麦和玉米。
   I'm always confusing wheat with/and corn.
2. 我总是分不清约翰和他的哥哥，他们长得太像了。
   I always confuse John with his brother; they are very much alike.
3. 我总分不清他和他的孪生兄弟。
   I always confounded him with his twin brother.