idioms

a smart cookie (a clever person who is good at dealing with difficult situations) Daniel can make this project succeed. He is a real smart cookie. Jacob might seem like a scatterbrain, but in fact, he is a smart cookie with a lot of experience.    – English Vocabulary

be bright-eyed and bushy-tailed  informal (full of energy and in a good mood) After a good night’s sleep, he was bright-eyed and bushy-tailed in the morning. Sophia is awake, but she is not bright-eyed and bushy-tailed.  – English Vocabulary

  beard the lion in his den (confront someone on their own territory) He continues to refuse my calls, so I have to go to his office and beard the lion in his den. He doesn’t want to come here; it’s better to beard the lion in his den.   …

be as bald as a coot (completely bald) In his early 20s, he was as bald as a coot. The old man took off his hat, and he was as bald as a coot.      – English Vocabulary

bear hug (rough, tight embrace) He gave his friend a bear hug. John gave me a bear hug, which almost took my breath away.     – English Vocabulary