firmer , firmest
If something is firm, it does not change much in shape when it is pressed but is not completely hard.
Fruit should be firm and in excellent condition.
水果应该硬实且完好无损。
If someone's grip is firm or if they perform a physical action in a firm way, they do it with quite a lot of force or pressure but also in a controlled way.
The quick handshake was firm and cool.
短暂的握手有力而冷静。
If you describe someone as firm, you mean they behave in a way that shows that they are not going to change their mind, or that they are the person who is in control.
She had to be firm with him. 'I don't want to see you again.'
她不得不坚定地对他说:“我不想再见到你。”
A firm decision or opinion is definite and unlikely to change.
definite
He made a firm decision to leave Fort Multry by boat.
他打定主意要乘船离开穆尔特里堡。
You use firm to describe control or a basis or position when it is strong and unlikely to be ended or removed.
secure
Although the Yakutians are a minority, they have firm control of the territory.
虽然雅库特人是少数,但他们却牢牢地控制着这个地区。
If something is firm, it does not shake or move when you put weight or pressure on it, because it is strongly made or securely fastened.
If you have to climb up, use a firm platform or a sturdy ladder.
如果你必须爬上去,就踩在一个稳固的台子上或者找一把结实的梯子。
firms
A firm is an organization which sells or produces something or which provides a service which people pay for.
The firm's employees were expecting large bonuses.
这家公司的雇员们正期待得到大笔的奖金。
a legal assistant at a Chicago law firm.
一家芝加哥律师事务所的一名法律助理。
a firm of heating engineers.
一家供暖工程师公司。
firms , firming , firmed
firm up
If you firm up something or if it firms up, it becomes firmer and more solid.
This treatment helps tone the body, firm up muscles and tighten the skin.
这种治疗有助于保持体态、锻炼肌肉、紧致肌肤。
If you firm something up or if it firms up, it becomes clearer, stronger, or more definite.
We can give you more detail as our plans firm up.
等我们的计划明确后,我们可以告诉你更多细节。
stand firm
If someone stands firm, they refuse to change their mind about something.
The council is standing firm against the protest.
市政府面对抗议毫不让步。