obligation

1. N-VAR If you have an obligation to do something, it is your duty to do that thing. 義務(wù)

When teachers assign homework, students usually feel an obligation to do it. 老師佈置家庭作業(yè)時(shí)，學(xué)生們通常感覺(jué)做作業(yè)是一種義務(wù)。

2. N-VAR If you have an obligation to a person, it is your duty to take care of them or protect their interests. 義務(wù); 責(zé)任

The United States will do that which is necessary to meet its obligations to its own citizens. 美國(guó)會(huì)盡其對(duì)國(guó)民應(yīng)盡的義務(wù)。

3. PHRASE In advertisements, if a product or a service is available without obligation, you do not have to pay for that product or service until you have tried it and are satisfied with it. 無(wú)義務(wù)地

If you are selling your property, why not call us for a free valuation without obligation. 如果你打算出售房産，爲(wèi)什麼不打電話讓我們做個(gè)免費(fèi)的評(píng)估呢。