Difference between chew and swallow

[viara]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #62 "Bite, Bit, Bitten", question 4

I think he'll succeed but it's a lot of work and sometimes he feels he's bitten off more than he can ..........

(a) digest
(b) chew
(c) taste
(d) swallow

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #62 "Bite, Bit, Bitten", answer 4

I think he'll succeed but it's a lot of work and sometimes he feels he's bitten off more than he can chew.

Correct answer: (b) chew

Your answer was: incorrect
I think he'll succeed but it's a lot of work and sometimes he feels he's bitten off more than he can swallow.
_________________________

What,s the difference between "chew" and "swallow"?

viara

[Conchita]

To chew is to make something soft with your teeth: this meat is too tough to chew.

To swallow is to make (food/liquid) pass down your throat from your mouth to the stomach: I have swallowed a fly; he swallowed his dinner and went out -- he ate his dinner quickly.