a.

1. 穩固的；牢固的；結實的
   I don't think the chair is firm enough to stand on.

   我覺得這椅子不夠穩固，不能站人。

2. 堅定的，堅決的；堅挺的
   My brother has a firm belief in the value of cold baths.

   我的兄弟堅信洗冷水澡有益健康。

3. 堅實的
   This wet ground is not firm enough to walk on.

   這塊濕地不夠堅實，不能在上面走。

ad.

1. 穩固地；牢固地
   She holds firm to her belief in God.

   她對上帝的信仰堅定不移。

vt.

1. 使穩固；使牢固[（+up）]
2. 使確定下來[（+up）]
   We'll firm up the plan soon.

   我們不久就要將這一方案確定下來。

vi.

1. 變牢固；變堅實
   The market is firming.

   行情正在回升。

2. 變牢固；變堅實

n.[C]

1. 商號，商行，公司
   He has set up a firm of his own.

   他自己開了一家公司。

adj.

1. having an unyielding surface or structure.
2. solidly in place and stable.
3. having steady power or strength:
   a firm grip.
   ▸unlikely to change; enduring.
4. showing strength of character; resolute.
5. (of a currency, shares, etc.) having a steady value or price which is more likely to rise than fall.

v.

1. make stable or unyielding.
2. (often firm something up) make (an agreement or plan) explicit and definite.
3. (of a price) rise to reach a level considered secure.

adv.

n.

1. a company or business partnership.
2. a group of hospital doctors working as a team.