rational

Lý trí, hợp lý

based on or in accordance with reason or logic

• a rational decision
• be a rational person

Collocations rational argument · rational explanation

• He made a completely rational decision.

  Anh ta đã đưa ra một quyết định hoàn toàn hợp lý.

Lý trí, bình tĩnh

not influenced by emotion; calm and controlled

• a rational attitude
• be a rational person

Collocations rational approach · rational response

• She remained completely rational in the face of danger.

  Cô ấy vẫn giữ được sự bình tĩnh hoàn toàn trước nguy hiểm.

Phân số hữu tỉ, hợp lý trong toán học

relating to or expressed in rational numbers

• a rational number

Collocations rational expression

• The equation has a rational solution.

  Phương trình có một nghiệm hợp lý.