(adj-i) (1) heavy
massive
(2) serious
important
severe
oppressed
(P)
(adj-i) slow of speech
prudent
(n) serious (grave) crime
(exp) to have a lot on one's shoulders
to bear a lot of responsibility
(exp,adj-i) depressed
bummed out
down
heavy-hearted
heavy-spirited
(exp,adj-i) incommunicative
taciturn
(exp) slow to act
slow in starting work
(adj-i) slow in start work
(n) (comp) hard failure
(n) important task
(exp) (1) to be reluctant to get up off one's backside
to be lazy
(2) to be clumsy
(exp) one's legs being leaden (through tiredness, etc.)