Pronunciation guide: IPA symbols, stress and word endings

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.

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)

-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.

kick in

verb

Forms kicks in kicking in kicked in

verb (transitive) To kick or strike so as to cause the object struck to collapse or fall inwards. “Upon hearing residents in the burning house, the passerby kicked in the front door and yelled to those inside.”
verb (transitive, slang) To kick or strike (a person); to beat up.
verb (intransitive, idiomatic) To start, connect, or take effect, especially in a sudden way; to begin functioning. “You have to push the switch hard to get the heater to kick in.”
verb (slang) To join or begin. “You should kick in on the work.”
verb (transitive and intransitive, idiomatic) To contribute, especially to a collection of money; to hand over. “This is a worthy charity, so everyone should kick in.”
verb (idiomatic) To die; to give up on something. “The business is going to kick in most likely.”

Synonyms

Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “kick in”, CC BY-SA 4.0. Details