緘默的（形容詞）

(adjective) Unspoken, but implied.

EXAMPLE: We knew we had our manager’s tacit approval to purchase what we needed to do our job properly.

我們知道，我們已經(jīng)獲得了經(jīng)理的默許,，適當(dāng)采購工作所需的設(shè)備,。

極為強硬（成語）

(IDIOM) Extremely stubborn, determined, and unyielding. (NOTE: often used in reference to someone’s negotiation style)

EXAMPLE: We tried to buy a car for less than the original price, but the seller was as tough as nails, and he refused to give us any discount.

我們想以比原始價更低的價格買一輛車，可是銷售人員極其強硬,，拒絕提供任何折扣,。