Hospitalisation is often essential because of the increasing difficulty in breathing.

由于呼吸越来越困难，通常需要住院治疗。

This may be followed by difficulty in breathing and inspiratory type of stridor.

随之而来的可能是呼吸困难和吸气型喘鸣。

I have difficulty in breathing. I feel uncomfortable.

我呼吸困难。我觉得不舒服。

Her father had occasionally experienced a difficulty in breathing this spring, which had for the time distressed him exceedingly.

今年春天，她父亲偶尔会感到呼吸困难，这让他一度非常痛苦。

He had apparently a difficulty in breathing, for his large mouth, with its scarlet, shining lips, was constantly open.

他显然呼吸困难， 因为他的大嘴巴和猩红的、闪闪发亮的嘴唇一直张着。