Korean · Pronunciation Guide
ya-ka-da. The ㄱ of 약 and the ㅎ of 하 collapse into a single aspirated ㅋ, so there is no h anywhere in the spoken word.
yakada
Weight the three blocks equally. Because the word is short, the aspirated middle consonant dominates it, and that is the only place where anything demanding happens.
Listen: 약하다
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그 아이는 몸이 약해요.
Geu aineun momi yakaeyo.
That child is physically weak.
Listen: 그 아이는 몸이 약해요.
Free browser voice. Hear it read by a real native speaker inside the LingoDrop app.
그 아이는 몸이 약해요 conjugates to 약해요 with the same merge, and 몸이 in front sends its ㅁ into the particle to give mo-mi. The sentence links smoothly all the way through to that single strong aspirate.
Pronouncing both letters gives 'yak-ha-da' with a released k and a separate h, which sounds like the word is being read rather than spoken -- fuse them. It also helps to keep 약 as one beat, since English speakers sometimes split the y-glide off and produce 'ee-ak-ha-da'.