obligation

• n. 義務、義務、負債

oblige, compel, force, dutyから。

obligation (n.)

c. 1300, from Old French obligacion "obligation, duty, responsibility" (early 13c.) and directly from Latin obligationem (nominative obligatio) "an engaging or pledging," literally "a binding" (but rarely used in this sense), noun of action from past participle stem of obligare (see oblige). The notion is of binding with promises or by law or duty.

1. Co-operation was more than just an attractive option，it was an obligation .

協力は魅力的な選択だけでなく、責任でもあります。

2.They felt under no obligation to maintain their employees.

彼らは従業員に生活費を提供する義務はないと思っている。

3.When teachers assign homework，students usually feel an obligation to do it.

先生が宿題をするとき、学生たちは宿題をするのは別のことだと思っています。

4.You are under no obligation to buy anything.

あなたは何かを買わなければならない必要はありません。

5.Every player is underan obligation to keep the rules.

各選手はこれらのルールを遵守しなければなりません。