(of the way in which one behaves) resolutely / (of the way in which one behaves) resolutely in a most definite manner

(of the way in which something moves) with a jitter / (of the way in which something moves) with a tremble / (of the way in which something moves) with a rattle / (of the way in which something moves) with a twitch

(of the way in which pain feels) in a throbbing manner / (of the way in which pain feels) in a stabbing manner / (of the way in which pain feels) in a smarting manner / (of the way in which pain feels) in a jolting manner / (of the way in which pain feels) in a prickly manner

in a keyed-up way / in a high-strung manner / in an uptight manner / nervously

(of the way in which a sound moves something) in a chattering manner / (of the way in which a sound moves something) in a rattling manner / (of the way in which a sound moves something) in a vibrating manner / (of the way in which a sound moves something) in a jittering manner / (of the way in which a sound moves something) in a clattering manner

(of the way in which a whistle sounds) hoot / (of the way in which a whistle sounds) shrill / (of the way in which a whistle sounds) whistle

(of the way in which pain feels) in a throbbing manner / (of the way in which pain feels) in a stabbing manner / (of the way in which pain feels) in a smarting manner / (of the way in which pain feels) in a jolting manner / (of the way in which pain feels) in a prickly manner

be all nerves / be high-strung / be nervous / be uptight / be keyed-up

pyrimidine base

Pirquet reaction