one's best bib and tucker
((略式・戯))晴れ着
one's fair share
1 （人と同じ）公正な分け前2 （予想外に）多く（の…）≪of≫
one's first choice
お気に入りの人［もの］
one's head off
((略式))（頭が取れそうなほど）激しく，猛烈にlaugh [shout, scream] one's head off爆笑する［大声で叫ぶ］
one's heart out
力の限り，一生懸命He sang [fought, ran] his heart out.彼は力の限り歌った［戦った，走った］
one's journey's end
1 旅路の終わり2 人生行路の果て
one's [the] last gasp
（人の）いまわの際；終末，とどのつまり
one's native heath
生まれ故郷
You [One] could cut the air [the atmosphere, it] with a knife.
非常に重々しい［険悪な］雰囲気だ
One (adult) and two halves, please.
大人１枚と子ども２枚ください
