平静を保つ へいせいをたもつ to keep one's temper; to maintain one's composure; to remain calm; to keep presence of mind; to preserve one's equilibrium exp v5t Advanced ➥
太平洋赤坊擬 たいへいようあかぼうもどき タイヘイヨウアカボウモドキ Longman's beaked whale (Indopacetus pacificus); Indo-Pacific beaked whale; tropical bottlenose whale n uk Advanced ➥