Look at that smoke, That building must be on fire.

Her head appears to be on fire but that is only a trick of the light.

她的头部看上去像是着火了，但那只是灯光造成的幻觉。

As far as possible , without surrender, be on good terms with all persons.

不放弃, 同所有人保持良好的关系.

You have to be on good terms with its frequenters.

你还得和常客有交情.

You be on guard against bad company.

你应该提防交错朋友.

We thought it best to be on guard.

我们觉得最好还是保持警锡.

Be on guard. There are pickpockets around here.

要提高警惕, 这里有扒手.

We must be on guard against hidden enemies.

我们必须警惕暗藏的敌人.

Be on guard when somebody flatters you.

有人奉承你时,一定要当心.

We should be on guard against obsequiousness under the name of popularization.

我们必须警惕在平民化名义下的媚俗化趋势.

We should be on guard against the enemy's invasion.

我们要防范敌人的入侵.

Emotions will hit like lightning today, so be on guard for surprises.

今天,你也许会被情绪闪电般的击倒, 所以,请小心意外.

He told us again and again to be on guard.

他一再要我们提防.

When we go shopping, we should be on guard against pickpockets.

当购物的时候, 我们应该提防扒手.

Be on guard against him yourself, for he vigorously opposed our teaching.

提后4:15你也要防备他.因为他极力敌挡了我们的话.

We must be on guard not to let the enemy spies worm in.

我们必须警惕，不让敌特钻进来。

Be on guard against those who are jealous of your success.

要提防那些嫉妒你的成功的人.

The rancher must always be on guard against the dangers that nature can create.

牧场主必须时刻防备可能发生的自然灾害.

Two soldiers must be on guard all night.

必须有两个士兵撤夜站岗.

Then you can be on speaking terms with everyone.

之后你可以继续和朋友维持友好关系.

Traumatic dislocations the hip appear to be on the rise in North America.

在北美,外伤性髋关节脱位似乎有上升的趋势.