gistfile1.m

- (void) animateWordMeaningLabelToLefttAndUpdateRepetitionOnCompletion {
    CGRect orginalPlaceOfWordMeaningLabel = self.wordMeaningLabel.frame;
    
    [UIView animateWithDuration:0.5 animations:^{    // TODO magic number
        CGRect frame = self.wordMeaningLabel.frame;
        frame.origin.x = -self.wordMeaningLabel.frame.size.width;
        self.wordMeaningLabel.frame = frame;
        self.wordMeaningLabel.layer.backgroundColor = [self.crossContainer.backgroundColor colorWithAlphaComponent:1].CGColor;
        self.crossContainer.layer.backgroundColor   = [self.crossContainer.backgroundColor colorWithAlphaComponent:1].CGColor;
        self.wordMeaningLableIsAnimating = YES;
    } completion:^(BOOL finished){
        self.wordMeaningLableIsAnimating = NO;
        [self animateWordMeaningLabelFromMiddleTopToDesiredCenter:self.orginalCenterOfWordMeaningLabel];
        [self updateRepetition];
    }];
}