Pronunciation guide: IPA symbols, stress and word endings

Vowels

iː	see	ɪ	sit	e / ɛ	bed	æ	cat
ɑː	father	ɒ	hot (UK)	ɔː	law	ʊ	put
uː	too	ʌ	cup	ɜː	bird	ə	about
eɪ	day	aɪ	my	ɔɪ	boy	aʊ	now
əʊ / oʊ	go (UK / US)	ɪə	near	eə	hair	ʊə	tour

Consonants that look unusual

θ	thin	ð	this	ʃ	she	ʒ	measure
tʃ	church	dʒ	judge	ŋ	sing	j	yes

p b t d k g f v s z h m n l r w sound as in ordinary English spelling.

Marks

ˈ main stress, before the stressed syllable: /ˈwɔːtə/ water · ˌ lighter (secondary) stress: /ˌʌndəˈstænd/ understand
ː a long vowel · (r) an r said only in accents that pronounce it (most American, Scottish, Irish)

Common word endings

-s / -es (plurals; he/she form of verbs): /s/ after voiceless sounds (cats), /z/ after voiced (dogs), /ɪz/ after s, z, sh, ch, j sounds (buses, watches). Spelling: -es after s, x, z, ch, sh; consonant + y → -ies (city → cities).
-ed (past): /t/ after voiceless sounds (walked), /d/ after voiced (played), /ɪd/ after t or d (wanted). Spelling: love → loved, stop → stopped, carry → carried.
-ing: make → making, run → running, see → seeing.
Irregular: go, went, gone · be, was, been · see, saw, seen · man → men · child → children · mouse → mice.
Older (King James) forms: -eth = -s (he loveth = he loves) · -est with “thou” (thou lovest) · spake = spoke.

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forlorn hope

UK /fəˌlɔːn ˈhəʊp/ · US /fɔɹˌlɔɹn ˈhoʊp/ noun

Forms forlorn hopes

noun A small troop of soldiers picked to make an advance attack, or the first attack; a storming party.
noun (obsolete) In the plural form forlorn hopes: the soldiers collectively making up such a troop; (by extension) a group of reckless adventurers.
noun (by extension) Any dangerous or hopeless venture.

Etymology

Sense 1 (“troop of soldiers picked to make an advance attack, or the first attack”) is a mistranslation of Dutch verloren hoop (literally “lost troop”): verloren (“lost”, adjective) + hoop (“(obsolete) unit of soldiers, contingent; heap, pile, stack”), mistaking the latter word for the homograph hoop (“hope”). Verloren is the past participle of verliezen (“to lose (possession); to be defeated, to lose (a game)”) (ultimately from Proto-Germanic *fraleusaną (“to cease to have, lose”), from Proto-Indo-European *per- (“before, in front; first”) + *lewH- (“to cut, sever; to separate; to loosen; to lose”)), while hoop is ultimately from Proto-Germanic *haupaz (“a crowd, throng; a heap, pile”), from Proto-Indo-European *kouHp-nó- or *keHup-.
Sense 2 (“dangerous or hopeless venture”) is either an extension of the meaning of sense 1, or from the literal meaning of the words forlorn and hope.

Sources: Wiktionary — from the Wiktionary entry “forlorn hope”, CC BY-SA 4.0. Details