From Crosswords

Question 1

to make a rough mark on a smooth surface, especially on a shoe or floor

Answer 1

scuff (skʌf)

e.g. scuff the floor

Question 2

to count up something; to add up or score something

Answer 2

notch sth up

We notched yet another victory up in our efforts to regain the trophy.

Question 3

корка хлеба

Answer 3

crust

Question 4

: the scheduled time for the start of an operation or action, especially a combat operation of great size
: a critical time, esp at the commencement of an action

Answer 4

zero hour

Question 5

: dryly humorous, often with a touch of irony

: temporarily twisted in an expression of distaste or displeasure

Answer 5

wry (/raɪ/)