50

CLUE: intelligent and lively person (humorously)

BRIGHT SPARK

49

CLUE:  personal or technical failure in a team due to one component

A CHAIN IS ONLY AS STRONG AS ITS WEAKEST LINK

48

CLUE: to ignore what someone says

TURN A DEAF EAR

47

CLUE: something that causes trouble or unhappiness

APPLE OF DISCORD

46

CLUE: to understand something in the wrong way

GET THE WRONG END OF THE STICK

45

CLUE: to lose the effect that something ones had

RUN OUT OF GAS

44

CLUE: good marks for credit

BROWNIE POINTS

43

CLUE: to not have the knowledge, experience, or skills to deal with a particular subject

OUT OF THE DEPTH

42

CLUE: of or relating to industrial work

BLUE-COLLAR

41

CLUE: to irritate someone to a great extent

GET ON NERVES

40

CLUE: celebrate; enjoy oneself

PUSH THE BOAT OUT

39

CLUE: to do things in the wrong order or sequence

PUT THE CART BEFORE THE HORSE

38

CLUE: to be the best in class

CREME DE LA CREME

37

CLUE: involving everyone or everything

ACROSS THE BOARD

36

CLUE: an illegitimate child

LOVE CHILD

35

CLUE: usually to get out of bad weather

RUN FOR COVER

34

CLUE: a place which is uncomfortable

THE LION’S DEN

33

CLUE:  meet somebody casually.

CROSS PATH

32

 CLUE: to go to sleep

HIT THE SACK

31

CLUE: to wait in a nervous and excited manner

BATED BREATH