半开

The door was ajar, so the cat was able to come in.

门半开着, 因此猫可。

The door stood ajar.

门半开半掩。

A yellow beam of sunlight， filtering through the muslin curtains， slanted on to the table， where a matchbox， half open， lay beside the inkpot.

桌上有一个火柴盒，半开着，在墨水瓶旁边，他右手插在兜，朝窗户走去。