swithering is swither's Present Participle

swither

US 
UK 
  • v.〈英〉疑惑;踌躇
  • Web犹疑;忧烦难下
Past Participle:swithered  Present Participle:swithering  Simple Present:swithers  
v.
1.
〈英〉疑惑;踌躇,拿不定主意