Reply to meifen mm

my merit is not in practical use of English words but in learning and memory method, for instance;

tetanus vs. testy, these words...I can tell the secret of these two in connection with Chinese, and I am the only one in this world who knows this, more than likely.

1. (noun) tetanus, lockjaw

an acute and serious infection of the central nervous system caused by bacterial infection of open wounds; spasms of the jaw and laryngeal muscles may occur during the late stages

Synonyms: lockjaw, tetanus

2. testy

Part of Speech: adjective

Definition: irritable, touchy

Synonyms: annoyed, bad-tempered, cantankerous, captious, choleric, crabbed, cranky*, cross, crotchety, edgy, exasperated, fretful, grouchy, grumpy*, impatient, irascible, mean, ornery*, out of sorts, peevish, peppery, petulant, quarrelsome, quick-tempered, short-tempered, snappy, splenetic, sullen, thin-skinned, uptight*, waspish

Antonyms: happy, pleasant

* = informal/non-formal usage