Let down and Show someone up

Let down verb - To fall short in satisfying the expectation or hope of.

Show someone up and let down are semantically related In some cases you can replace term "Show someone up" with "Let down", this phrasal verbs are similar.

Let down and show someone up are semantically related in embarrass topic. Sometimes you can replace term "Let down" with "Show someone up", this phrasal verbs are similar.