Not shut or locked.

开着的；打开的。

Not covered with a top, roof, or lid.

没遮盖的。

Not obstructed.

不受阻碍的。

Presenting no obstacle to passage or view.

空旷的；广阔的。

Not already occupied or engaged.

空缺的；空闲的。

Not finally decided; subject to further consideration.

未决定的；有待辩论、讨论的。

Not settled or balanced.

未结算的；未结帐的。

Not protected from; liable to receive; subject to.

无防备的；易受...的；招致...的。

Not frozen; free form ice an snow.

没有结冰的；无冰冻的。

Unfolded or spread out.

展开的；摊放的。

Not hidden; frank; undisguised.

无隐的；坦白的；公然的。

Free to all; without qualifications or restrictions.

公开的；不受限制的。

Responsive; accessible to the influx of new factors.

易感动的；易受影响的；能包容的。

Generous in giving.

慷慨的。

Ready for business, patronage, or use.

营业中的；开放参观的。

Allowed by law to catch game or fish.

(渔猎)开放期的。

Having spaces, gaps, or holes as certain needle-work.

(针织品等)有空隙的；有孔的；有网眼的。

At sea, not foggy or misty.

无雾的。

Of vowel and consonant sounds, uttered with relatively unclosed position of the speaking parts specially concerned.

【语音】(母音及子音)张口而发的。

Of syllables, not ending with a consonant.

【语音】(音节)不以子音终结的。

To move from closed position.

打开；张开。

To spread out; unfold.

展开；摊开。

To cut or make an open in or a passage through.

开口；打通；开通。

To begin; start.

开始。

To set up for business; establish.

创业；开业。

To render accessible for the public.

开放。

To reveal; disclose; make public.

泄漏；拨发；公开。

To make more discerning or responsive; enlighten.

启发；启迪。

To become open.

开。

To commence.

开始。

To lead.

通向。

To expand; develop.

扩展；发展。

To become disclosed.

显出；展出。

Open or unobstructed space, as land without trees; also open ocean or air/

空地；户外；广漠的海。

Open denotes plain, straightforward, and aboveboard.

Open 指坦白、爽直、不造作的：

Frank and candid imply sincere and impartial, true, and perhaps a little blunt.

Frank 及 candid 含诚恳、不偏坦、真实、有些钝之义：

Artless means naive and guileless.

Artless 指纯真、不欺诈狡猾的：