MAKE LIGHTER 使更明亮, [T] also brighten sth ↔ up to make something lighter or brighter

使更明亮; 使更鲜艳:

Use blonde highlights to brighten your hair.

用金色挑染让你的发色明亮起来。

The morning sunshine brightened up the room.

清晨的阳光照亮了房间。

MAKE MORE ATTRACTIVE 使更漂亮, [T] also brighten sth ↔ up to make something more colourful or attractive

使更艳丽; 使更漂亮:

She bought some flowers to brighten the room.

她买了一些花把房间装点得亮丽生色。

I want to brighten the place up a bit.

我想把这个地方装饰一下。

MAKE MORE ENJOYABLE 使更有趣, [T] also brighten sth ↔ up to make something more enjoyable, exciting or interesting

使更有趣:

His letter brightened my day.

他的来信让我开心了一天。

I felt I needed something to brighten up my life.

我觉得需要什么东西来刺激一下我的生活。

BECOME LIGHTER / BRIGHTER 变得更亮, [I] to shine more strongly, or become brighter in colour

变灿烂，变明亮:

The stage lights brightened to reveal a street scene.

舞台灯光打亮了，展现出了一道街景。

BECOME SUNNY 变晴朗, [I] also brighten up if the weather brightens, the sun begins to shine and it becomes lighter

放晴:

The sky brightened after lunch.

午饭后，天空放晴了。

Let's hope the weather brightens up later.

希望过会儿天气会转晴。

It brightened up a bit in the afternoon.

到了下午，天色亮了一点。

BECOME HAPPY 变开心, [I] also brighten up to become happier or more excited

变开心:

His eyes brightened when we started talking about money.

我们一谈到钱，他的眼睛就亮起来了。

She brightened up a bit when she saw us.

她看到我们便开心了一点。