| Idiom | Meaning | Example | 
| sit the fence | 
not choose either side, try to be in the middle
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People don't like politicians who try to sit the fence.
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| sit tight | 
not move, wait here
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I'll go and buy the hotdogs. You sit tight until I get back.
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| sit with you | 
relate to you, appeal to you
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If we build a fence on your land, how would that sit with you?
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| sitting duck | 
(See a sitting duck)
 | 
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| sitting pretty | 
in a good position, in favorable circumstances
 | 
Rich in oil and timber resources, Alberta was sitting pretty.
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| six bits | 
seventy-five cents, 3 x  two bits
 | 
Grandfather told us that he used to pay six bits for a hotel room.
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| six of one, half a dozen of the other | 
nearly equal, about the same, like twins
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Panasonic and Quasar are very similar - it's six of one, half a dozen of the other.
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| sixes and sevens | 
(See at sixes and sevens)
 | 
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| size up | 
evaluate, check over  
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The teacher sized up the new student. He looked scared.
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| skate on thin ice | 
(See on thin ice)
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