All but one had severe difficulty in breathing.

All the seeds passed the first round without severe difficulty.

Bite symptoms include swelling and stinging pain around the bite wound, numbness of limbs and lip, severe difficulty in breathing, sweating profusely and blurred vision.

He wrote that the condemned would have severe difficulty inhaling, due to hyper-expansion of the chest muscles and lungs.

Zippy's unpredictable behavior sometimes causes severe difficulty for others, but never for himself.