keen

Mặn mà, say mê

having a strong interest in something or wanting to do it very much

• be keen on doing sth

Collocations keen interest in something · keen to do something

• She's keen on playing tennis.

  Cô ấy rất say mê chơi quần vợt.

Đồng ý làm điều gì đó ngay lập tức

willing to do something, especially if it is difficult or unpleasant

• be keen to do sth

Collocations keen to help · keen to start

• He's keen to get started.

  Anh ấy sẵn lòng bắt đầu ngay lập tức.

Sắc, sắc bén

(of a knife or blade) having a sharp edge; not blunt

• be keen

Collocations keen knife · keen blade

• The knife is very keen.

  Con dao rất sắc.