wishy-washy [ˈwɪʃɪˌwɒʃɪ] adjective (inf & pej) [person] kraftlos [ideas] vage don't be so wishy-washy! sage doch mal konkret, was du meinst!
Complétez la séquence avec la proposition qui convient. She's been practising … 10 a.m. since for during