a ghastly pallor的用法和样例：
- She had a ghastly pallor.
- He neutered himself racially, too: his hair went from kinky to straight, his lips from full to thin, his nose from broad to pinched, his skin from dark to a ghastly pallor.
- What a ghastly place that house is!
- We had a ghastly time at the Chritmas party.
- There was a ghastly smile on his face.