や、やいなや => As soon as A, B N1
Time, Situation
に[難「むずか」]くない => It's not hard to A N1
Adjectival, Descriptions
やら~やら => A, B, ... (examples from a list) N2
Lists, Examples
ない[方「ほう」]がよい => It would be better to not A N4
Can, Should, Must
[向「む」]け => Made for A, intended for A N2
Adjectival, Descriptions
てやまない => To (always) think/feel/hope/etc. A N1
Will, Decision, Doing
やる => Give B to A N4
Give and take advice
てやる => Do for someone N4
Give and take advice
やすい => A is easy to do N4
Verb Suffixes
た[方「ほう」]がいい => It would be better to A N4
Can, Should, Must
より~の[方「ほう」]が~ => B is more C than A N4
Comparisons
ずにすむ => Not doing A will suffice; Can get by without doing A N1
Need/Requirements