with a pop
ポンと
with a pretense of [at] seriousness
真剣なふりをして
with a probability of 0.3
０．３の確率で
with a reasonable degree of accuracy
まずまずの正確さで
with a red ribbon in one's hair
頭に赤いリボンを着けて
with a rush of the spirit
急に元気がわいて
with a satisfied smile
満足げにほほえんで
with [in] a scornful tone
ばかにした口調で
with a show of indifference
無関心を装って
with a shrug (of the shoulders)
肩をすくめて
