idiomto be soshocked,surprised,fullofadmiration, etc. that you cannotspeak:(因感到震惊、惊讶、震撼等)说不出话来Mary waslostfor words when she wasawardedtheprize.玛丽被授予该奖项的时候激动得说不出话来。SMART Vocabulary: related words and phrasesFalling silent and not speaking
be (on) non-speakersidiom
bite
bitesomethingback
biteyourtongueidiom
button your lipidiom
clam
clam up
draw
mouth
quiet
silence is goldenidiom
speak
speechless
speechlessly
speechlessness
stick
stick insomeone'sthroatidiom
tongue-tied
unavowed
wordless
See more results ?(Definition ofbe lost for wordsfrom theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/be-lost-for-words##