YOU SAID:

when charlie needs to measure his knees he needs to measure them ok

INTO JAPANESE

チャーリーが膝を測定する必要があるとき、彼はそれらを測定する必要があります

BACK INTO ENGLISH

When Charlie needs to measure the knees, he needs to measure them

INTO JAPANESE

チャーリーが膝を測定する必要があるとき、彼はそれらを測定する必要があります

BACK INTO ENGLISH

When Charlie needs to measure the knees, he needs to measure them