ADV. clearly, sharply | carefully | easily, readily The adult can be readily distinguished by its orange bill.
VERB + DISTINGUISH be able to, can/could | be unable to | be difficult to, be hard to, be impossible to, be possible to | be important to, be necessary to It is important to distinguish between cause and effect.
PREP. between It is often difficult to distinguish clearly between fact and fiction in this book. | from She could not distinguish one child from another.